[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 44.831241][ T25] audit: type=1800 audit(1575325804.467:25): pid=8187 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 44.850687][ T25] audit: type=1800 audit(1575325804.467:26): pid=8187 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 44.886242][ T25] audit: type=1800 audit(1575325804.467:27): pid=8187 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.150' (ECDSA) to the list of known hosts. 2019/12/02 22:30:12 fuzzer started 2019/12/02 22:30:14 dialing manager at 10.128.0.26:38907 2019/12/02 22:30:14 syscalls: 2697 2019/12/02 22:30:14 code coverage: enabled 2019/12/02 22:30:14 comparison tracing: enabled 2019/12/02 22:30:14 extra coverage: extra coverage is not supported by the kernel 2019/12/02 22:30:14 setuid sandbox: enabled 2019/12/02 22:30:14 namespace sandbox: enabled 2019/12/02 22:30:14 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/02 22:30:14 fault injection: enabled 2019/12/02 22:30:14 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/02 22:30:14 net packet injection: enabled 2019/12/02 22:30:14 net device setup: enabled 2019/12/02 22:30:14 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/02 22:30:14 devlink PCI setup: PCI device 0000:00:10.0 is not available 22:30:15 executing program 0: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f0000000240)="0800b5055e0bcfe87b0071") r1 = socket(0x10, 0x3, 0x0) write(r1, 0x0, 0x0) sendmsg$nl_route(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000040)=@ipmr_delroute={0x1c, 0x19, 0x1, 0x0, 0x0, {0x80, 0x20}}, 0x1c}}, 0x0) 22:30:15 executing program 1: perf_event_open(&(0x7f0000000040)={0x0, 0x70, 0xeb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$evdev(&(0x7f00000000c0)='/dev/input/event#\x00', 0x0, 0x0) ioctl$EVIOCGMASK(r0, 0x80104592, &(0x7f0000000180)={0x0, 0x32, &(0x7f0000000100)="7dd82119866eab04639566ac77082f9f052258ddcf4c4d36720aa0dd0586fb1652ea3b1d17cdd639b8056e55220483ab344b"}) syzkaller login: [ 56.065134][ T8350] IPVS: ftp: loaded support on port[0] = 21 22:30:15 executing program 2: r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_tcp_int(r0, 0x6, 0x10000000013, &(0x7f0000000100)=0x1, 0xfb) setsockopt$inet_tcp_TCP_REPAIR_WINDOW(r0, 0x6, 0x1d, &(0x7f0000000700)={0x0, 0x40000007fff}, 0x14) [ 56.256233][ T8350] chnl_net:caif_netlink_parms(): no params data found [ 56.267259][ T8353] IPVS: ftp: loaded support on port[0] = 21 [ 56.364239][ T8350] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.379699][ T8350] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.387976][ T8350] device bridge_slave_0 entered promiscuous mode [ 56.417743][ T8350] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.441066][ T8350] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.457100][ T8350] device bridge_slave_1 entered promiscuous mode [ 56.491579][ T8350] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.512785][ T8356] IPVS: ftp: loaded support on port[0] = 21 [ 56.519433][ T8350] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 22:30:16 executing program 3: r0 = io_uring_setup(0xd3e, &(0x7f0000000400)) mmap(&(0x7f0000fff000/0x1000)=nil, 0x1000, 0x0, 0x20011, r0, 0x0) [ 56.597269][ T8350] team0: Port device team_slave_0 added [ 56.627174][ T8353] chnl_net:caif_netlink_parms(): no params data found [ 56.643414][ T8350] team0: Port device team_slave_1 added [ 56.802900][ T8350] device hsr_slave_0 entered promiscuous mode 22:30:16 executing program 4: r0 = socket$kcm(0x2b, 0x1, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0xc, 0xe, &(0x7f0000000500)=ANY=[@ANYBLOB="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"/585], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x24f}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000140)={r1, 0x1800000000000060, 0xe80, 0x40000000, &(0x7f0000000100)="0000003f0000007e5bc5795ecaffff810000000000000000000008", 0x0, 0x100, 0xf2ffffff, 0x0, 0x0, 0x0, 0x0}, 0x40) [ 56.860058][ T8350] device hsr_slave_1 entered promiscuous mode [ 56.921868][ T8353] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.929078][ T8353] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.955548][ T8359] IPVS: ftp: loaded support on port[0] = 21 [ 56.962346][ T8353] device bridge_slave_0 entered promiscuous mode [ 56.981961][ T8353] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.989158][ T8353] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.012426][ T8353] device bridge_slave_1 entered promiscuous mode [ 57.127051][ T8353] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.147886][ T8363] IPVS: ftp: loaded support on port[0] = 21 22:30:16 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) setsockopt$netlink_NETLINK_LISTEN_ALL_NSID(0xffffffffffffffff, 0x10e, 0x8, 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000000)={&(0x7f00000004c0)=@newlink={0x38, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, @gre={{0x8, 0x1, 'gre\x00'}, {0xc, 0x2, [@IFLA_GRE_REMOTE={0x8, 0x7, @broadcast}]}}}]}, 0x38}}, 0x0) [ 57.174227][ T8356] chnl_net:caif_netlink_parms(): no params data found [ 57.193066][ T8353] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.209043][ T8350] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 57.312951][ T8350] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 57.370581][ T8350] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 57.414992][ T8350] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 57.478520][ T8353] team0: Port device team_slave_0 added [ 57.488264][ T8353] team0: Port device team_slave_1 added [ 57.513258][ T8356] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.520754][ T8356] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.528575][ T8356] device bridge_slave_0 entered promiscuous mode [ 57.555063][ T8365] IPVS: ftp: loaded support on port[0] = 21 [ 57.623052][ T8353] device hsr_slave_0 entered promiscuous mode [ 57.680303][ T8353] device hsr_slave_1 entered promiscuous mode [ 57.720700][ T8353] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.729483][ T8356] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.736769][ T8356] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.745910][ T8356] device bridge_slave_1 entered promiscuous mode [ 57.777703][ T8356] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.802674][ T8356] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.879154][ T8356] team0: Port device team_slave_0 added [ 57.890620][ T8356] team0: Port device team_slave_1 added [ 57.902524][ T8359] chnl_net:caif_netlink_parms(): no params data found [ 57.922678][ T8353] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 57.951765][ T8353] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 57.993401][ T8353] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 58.044083][ T8353] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 58.123705][ T8363] chnl_net:caif_netlink_parms(): no params data found [ 58.202368][ T8356] device hsr_slave_0 entered promiscuous mode [ 58.241342][ T8356] device hsr_slave_1 entered promiscuous mode [ 58.279739][ T8356] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.308017][ T8363] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.317348][ T8363] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.325824][ T8363] device bridge_slave_0 entered promiscuous mode [ 58.358500][ T8350] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.372836][ T8363] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.381276][ T8363] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.389090][ T8363] device bridge_slave_1 entered promiscuous mode [ 58.416857][ T8363] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.428035][ T8363] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.437571][ T8359] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.445013][ T8359] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.453255][ T8359] device bridge_slave_0 entered promiscuous mode [ 58.462905][ T8359] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.470606][ T8359] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.478592][ T8359] device bridge_slave_1 entered promiscuous mode [ 58.515869][ T8359] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.529964][ T8359] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.551256][ T8363] team0: Port device team_slave_0 added [ 58.560462][ T8363] team0: Port device team_slave_1 added [ 58.568650][ T8350] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.605476][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.617267][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.626397][ T8356] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 58.692543][ T8356] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 58.746008][ T8356] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 58.807773][ T8356] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 58.877914][ T8365] chnl_net:caif_netlink_parms(): no params data found [ 58.905711][ T8359] team0: Port device team_slave_0 added [ 58.962666][ T8363] device hsr_slave_0 entered promiscuous mode [ 59.010075][ T8363] device hsr_slave_1 entered promiscuous mode [ 59.049772][ T8363] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.059852][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.068474][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.077360][ T2705] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.084783][ T2705] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.109445][ T8359] team0: Port device team_slave_1 added [ 59.121722][ T8361] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 59.135164][ T8361] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.143962][ T8361] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.152783][ T8361] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.160032][ T8361] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.168645][ T8361] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.177796][ T8361] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.186669][ T8361] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 59.196251][ T8361] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.234790][ T8361] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.244476][ T8361] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 59.253999][ T8361] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.264000][ T8361] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 59.272597][ T8361] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.284754][ T8350] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 59.296311][ T8350] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 59.305621][ T8365] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.313071][ T8365] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.321086][ T8365] device bridge_slave_0 entered promiscuous mode [ 59.373444][ T8359] device hsr_slave_0 entered promiscuous mode [ 59.430169][ T8359] device hsr_slave_1 entered promiscuous mode [ 59.489805][ T8359] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.501789][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 59.502612][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.531737][ T8353] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.539885][ T8365] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.546958][ T8365] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.555606][ T8365] device bridge_slave_1 entered promiscuous mode [ 59.596713][ T8353] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.616037][ T8359] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 59.661196][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 59.668671][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 59.676303][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.684056][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.698449][ T8350] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 59.715332][ T8365] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.724762][ T8359] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 59.764955][ T8368] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.774402][ T8368] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.783128][ T8368] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.790236][ T8368] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.798398][ T8368] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 59.808294][ T8363] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 59.853731][ T8365] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.869706][ T8359] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 59.913291][ T8359] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 59.964673][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.974328][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.983903][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.991041][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.999482][ T8363] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 60.027539][ T8363] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 60.097938][ T8363] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 165.139501][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 165.146343][ C0] rcu: 0-...!: (1 GPs behind) idle=dba/1/0x4000000000000002 softirq=10213/10214 fqs=41 [ 165.156304][ C0] (t=10500 jiffies g=6621 q=79) [ 165.161232][ C0] rcu: rcu_preempt kthread starved for 10416 jiffies! g6621 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 165.172331][ C0] rcu: RCU grace-period kthread stack dump: [ 165.178210][ C0] rcu_preempt R running task 29104 10 2 0x80004000 [ 165.186137][ C0] Call Trace: [ 165.189425][ C0] __schedule+0x9a0/0xcc0 [ 165.193754][ C0] schedule+0x181/0x210 [ 165.197898][ C0] schedule_timeout+0x14f/0x240 [ 165.202735][ C0] ? run_local_timers+0x120/0x120 [ 165.207752][ C0] rcu_gp_kthread+0xed8/0x1770 [ 165.212513][ C0] kthread+0x332/0x350 [ 165.216566][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 165.221663][ C0] ? kthread_blkcg+0xe0/0xe0 [ 165.226243][ C0] ret_from_fork+0x24/0x30 [ 165.230662][ C0] NMI backtrace for cpu 0 [ 165.234985][ C0] CPU: 0 PID: 8225 Comm: rsyslogd Not tainted 5.4.0-syzkaller #0 [ 165.242682][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 165.252724][ C0] Call Trace: [ 165.255998][ C0] [ 165.258836][ C0] dump_stack+0x1fb/0x318 [ 165.263158][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 165.267996][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 165.274139][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 165.280191][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 165.286165][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 165.292045][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 165.297153][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 165.302343][ C0] ? trace_hardirqs_off+0x74/0x80 [ 165.307360][ C0] update_process_times+0x12d/0x180 [ 165.312550][ C0] tick_sched_timer+0x263/0x420 [ 165.317389][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 165.322926][ C0] __hrtimer_run_queues+0x403/0x840 [ 165.328127][ C0] hrtimer_interrupt+0x38c/0xda0 [ 165.333068][ C0] ? debug_smp_processor_id+0x9/0x20 [ 165.338347][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 165.343887][ C0] apic_timer_interrupt+0xf/0x20 [ 165.348808][ C0] [ 165.351743][ C0] RIP: 0010:__memcg_kmem_uncharge+0x219/0x2e0 [ 165.357797][ C0] Code: 4b 0d 89 e8 59 97 00 00 bf 01 00 00 00 e8 2f e3 9b ff 65 8b 05 d4 fd 4a 7e 85 c0 74 53 48 83 c4 08 5b 41 5c 41 5d 41 5e 41 5f <5d> c3 49 8d 5f 10 48 89 df be 08 00 00 00 e8 04 c1 fa ff 48 8b 45 [ 165.377387][ C0] RSP: 0018:ffffc90001b47a50 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 165.385788][ C0] RAX: 0000000000000001 RBX: ffffea000233dd00 RCX: 0000000000000000 [ 165.393748][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea000233dd00 [ 165.401706][ C0] RBP: ffffc90001b47a50 R08: 000000000003a768 R09: fffffbfff120248a [ 165.409668][ C0] R10: fffffbfff120248a R11: 0000000000000000 R12: ffff88808c6415a0 [ 165.417632][ C0] R13: dffffc0000000000 R14: 1ffff110118c82b4 R15: ffff8880946db9e8 [ 165.425616][ C0] free_thread_stack+0x12e/0x590 [ 165.430546][ C0] put_task_stack+0xa3/0x130 [ 165.435128][ C0] finish_task_switch+0x3f1/0x550 [ 165.440149][ C0] __schedule+0x9a8/0xcc0 [ 165.444476][ C0] schedule+0x181/0x210 [ 165.448642][ C0] do_syslog+0xdc7/0x1740 [ 165.452975][ C0] ? init_wait_entry+0xe0/0xe0 [ 165.457730][ C0] kmsg_read+0x94/0xd0 [ 165.461786][ C0] ? mmap_vmcore_fault+0x10/0x10 [ 165.466974][ C0] proc_reg_read+0x1e2/0x2d0 [ 165.471556][ C0] ? proc_reg_llseek+0x2c0/0x2c0 [ 165.476483][ C0] __vfs_read+0xb8/0x730 [ 165.480720][ C0] ? security_file_permission+0x23c/0x350 [ 165.486431][ C0] ? rw_verify_area+0x1c2/0x360 [ 165.491273][ C0] vfs_read+0x1dd/0x420 [ 165.495426][ C0] ksys_read+0x117/0x220 [ 165.499675][ C0] __x64_sys_read+0x7b/0x90 [ 165.504168][ C0] do_syscall_64+0xf7/0x1c0 [ 165.508662][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 165.514715][ C0] RIP: 0033:0x7fd64f9c01fd [ 165.519150][ C0] Code: d1 20 00 00 75 10 b8 00 00 00 00 0f 05 48 3d 01 f0 ff ff 73 31 c3 48 83 ec 08 e8 5e fa ff ff 48 89 04 24 b8 00 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 a7 fa ff ff 48 89 d0 48 83 c4 08 48 3d 01 [ 165.538772][ C0] RSP: 002b:00007fd64cf5fe30 EFLAGS: 00000293 ORIG_RAX: 0000000000000000 [ 165.547182][ C0] RAX: ffffffffffffffda RBX: 0000000001bd7650 RCX: 00007fd64f9c01fd [ 165.555140][ C0] RDX: 0000000000000fff RSI: 00007fd64e7945a0 RDI: 0000000000000004 [ 165.563099][ C0] RBP: 0000000000000000 R08: 0000000001bc2260 R09: 0000000000000000 [ 165.571081][ C0] R10: 203a7463656a626f R11: 0000000000000293 R12: 000000000065e420 [ 165.579055][ C0] R13: 00007fd64cf609c0 R14: 00007fd650005040 R15: 0000000000000003